SOLUTION: Solve by the elimination method -4x-5y=2 12x+20y=-9 and 5x-y=24 x+4y=9

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Question 952417: Solve by the elimination method
-4x-5y=2
12x+20y=-9
and
5x-y=24
x+4y=9
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve by the elimination method
-4x-5y=2
12x+20y=-9
Multiply the 1st eqn by 3, then add.
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and
5x-y=24
x+4y=9
Multiply the 1st eqn by 4, then add.